package com.futures.investm.utils;

import java.util.List;

/**
 * list转string用逗号连接
 */
public class ListToStringUtil {

    public static String listToString(List<String> list) {

        if (list == null) {
            return null;
        }

        StringBuilder result = new StringBuilder();
        boolean first = true;

        //第一个前面不拼接","
        for (String string : list) {
            if (first) {
                first = false;
            } else {
                result.append(",");
            }
            result.append(string);
        }
        return result.toString();
    }


}
